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MTTP Resource Library

This resource library compiles existing materials from established organizations and platforms that address the s identified in the Mass Timber Tipping Point project. We recognize and acknowledge that there are other excellent resource libraries in the mass timber space, including those maintained by organizations like WoodWorks, Think Wood, The Canadian Wood Council, The American Wood Council, Built by Nature, and the Washington Mass Timber Accelerator. This collection represents our lens and filter applied to resources from across the mass timber ecosystem, organized specifically around the 25 s and recommendations outlined in this report.

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2025 International Mass Timber Report

2025

Trifecta Collective (with editorial contributions from industry leaders)

The International Mass Timber Report is an annually published comprehensive business intelligence resource covering the entire mass timber supply chain, market analysis, and industry trends. Produced since 2019 by Trifecta Collective with contributions from industry leaders, the report provides detailed information on manufacturing capacity, market demand estimates, and supply chain dynamics. It serves as the primary business intelligence resource for mass timber stakeholders, including the Mass Timber Price Index and market projections.
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AWC Code Adoption Map

Regularly updated

American Wood Council

An interactive mapping tool that shows the current status and edition of the International Building Code (IBC) adopted by each state, including information on statewide, local, or limited adoption levels. The map helps users understand which building code provisions are currently enforceable in different jurisdictions across the United States.
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Athena Sustainable Materials Institute LCA Software Suite

Regularly updated

Athena Sustainable Materials Institute

The Athena Sustainable Materials Institute is a non-profit research collaborative that develops Life Cycle Assessment (LCA) data and software tools specifically for the construction sector. Athena's software suite includes the Impact Estimator for Buildings (comprehensive whole-building LCA tool) and the EcoCalculator for Assemblies (quick assessment spreadsheet tool). These tools are supported by extensive, regionally-sensitive life cycle inventory databases built from actual manufacturing data and are provided free to support widespread LCA adoption.
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BC Mass Timber Demonstration Program (MTDP)

Regularly updated

Province of British Columbia (through Forestry Innovation Investment)

A provincial government program that provides funding (up to $500,000 per project) for incremental costs in the design and construction of buildings that demonstrate emerging or new mass timber building systems. The program has invested $9.1 million across multiple intakes to support real-world mass timber projects and research, with recipients required to share lessons learned and results to support future mass timber adoption.
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Boston Mass Timber Accelerator

2024

Boston Planning & Development Agency (BPDA) and Boston Society for Architecture (BSA)

The Boston Mass Timber Accelerator was a competitive technical assistance program that provided $25,000 grants and WoodWorks technical support to development teams exploring mass timber feasibility in early project phases. The program funded 10 projects across two rounds (2022-2023), resulting in 8 active projects totaling 1.3 million square feet and 22 future projects totaling 4.3 million square feet. The program concluded with a final report documenting lessons learned, carbon reduction findings (35-80% embodied carbon savings), and recommendations for advancing mass timber adoption.
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CodeMaster Reference - Design of Tall Mass Timber

2021

S. K. Ghosh Associates LLC

A condensed 4-page laminated quick reference guide that provides an 11-step procedure for determining structural, fire protection, special inspection, energy, sound transmission, and construction fire safety requirements for tall mass timber buildings. The guide includes key requirements highlighting, helpful illustrations, and "Secrets of the CodeMaster" tips for practical application.
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Corgan's Carbon Calculator

2025

Corgan

The Corgan Mass Timber Carbon Calculator is an innovative online tool designed to provide more accurate carbon emissions calculations for mass timber projects. It addresses gaps in traditional carbon accounting by incorporating previously overlooked emissions from slash (harvest residuals) in forests. The tool allows users to calculate adjusted biogenic carbon values based on tree species selection, slash management scenarios, and transportation distances.
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Embodied Carbon in Construction Calculator (EC3)

2019

Building Transparency (developed initially by Skanska and C Change Labs, incubated by Carbon Leadership Forum)

The Embodied Carbon in Construction Calculator (EC3) is a free, cloud-based platform that enables benchmarking, assessment, and reduction of embodied carbon in construction materials. Developed through collaboration between nearly 50 industry partners, EC3 utilizes building material quantities from construction estimates and BIM models combined with a robust database of over 24,000 digitized, third-party verified Environmental Product Declarations (EPDs). The tool allows architects, engineers, contractors, and policymakers to compare materials during design and procurement phases to identify low-carbon alternatives.
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Forest Supply Chain Analysis Series

2024

Olifant

This comprehensive collection of regional studies examines the economic, environmental, and supply chain implications of mass timber construction across the United States. Developed by Olifant under a USFS Wood Innovation Grant, the series includes detailed analyses for the Upper Midwest, Rocky Mountain Colorado, and Southeast regions. Each study presents comparative building redesigns to quantify cost differences, schedule savings, and carbon reduction potential of mass timber construction.
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Georgia Mass Timber Accelerator

Regularly updated

Georgia Forestry Foundation (GFF) in partnership with USDA Forest Service and Softwood Lumber Board

The Georgia Mass Timber Accelerator provides $25,000 grants and comprehensive technical assistance to development teams exploring mass timber construction in early project phases. The program is part of the "Seedlings to Solutions" initiative that demonstrates the complete supply chain from Georgia forests to finished buildings. Selected projects receive WoodWorks technical support, carbon accounting analysis using their Carbon Calculator tool, life cycle assessments, preliminary cost-benefit analysis, and design/planning assistance to quantify the benefits of mass timber materials and practices.
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Kalesnikoff Design Guide

2022

Kalesnikoff Mass Timber Inc.

The Kalesnikoff Design Guide is a comprehensive technical resource created by Kalesnikoff, a vertically integrated, multi-species mass timber manufacturer based in British Columbia. The guide provides detailed design tables, panel specifications, load calculations, and technical data for cross-laminated timber (CLT) and glue-laminated timber (GLT) products. It includes extensive load tables for different panel configurations, structural properties, and vibration requirements, serving as a practical engineering reference for builders, architects, and engineers.
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Mass Timber Building Science Primer

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Mass Timber Cost and Design Optimization Checklists

2022

WoodWorks

This document provides comprehensive checklists for architects, engineers, and construction professionals to optimize both design and costs of mass timber projects. Organized by project phase, the checklists guide teams through pre-design, schematic design, and design development considerations. The resource covers critical topics including contract model selection, grid sizing, material optimization, and cost-estimating approaches.
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Mass Timber Insurance Playbook – U.S. Edition

2024

WoodWorks

A comprehensive framework that gives developers, design/construction professionals, and insurers guidance for working together to resolve challenges that impact the insurability of mass timber buildings. Adapted from the original UK Mass Timber Insurance Playbook, it provides non-prescriptive guidance on managing risk and securing adequate insurance coverage for both construction and operation phases
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Minoro

Regularly updated

Grimshaw (in partnership with World Business Council for Sustainable Development)

Minoro is a comprehensive digital platform developed by Grimshaw and the World Business Council for Sustainable Development to streamline carbon management across the building lifecycle. The platform serves as a centralized repository of curated guidance, tools, and resources for carbon reduction in buildings and infrastructure projects. It provides a stepwise approach to carbon management with identified actions and responsibilities at each project stage for all construction stakeholders.
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One Click LCA

Regularly updated

One Click LCA (Bionova Ltd)

One Click LCA is a comprehensive digital platform designed to streamline life cycle assessment (LCA) and carbon calculation processes for construction projects. The software enables architects, engineers, and construction professionals to automate embodied carbon calculations through integration with existing design workflows, including 20+ BIM software connections. The platform features access to over 300,000 construction material datapoints and compatibility with 80+ global sustainability standards and certifications.
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State of Mass Timber in Canada - Interactive Map

2021

Natural Resources Canada (NRCan) - Green Construction through Wood (GCWood) Program

An interactive mapping tool that displays information on nearly 500 completed or under-construction mass timber projects from 2007 to 2019, representing over 1.5 million square metres (16 million square feet) of gross floor area, as well as 21 mass timber manufacturing facilities across Canada. The map was produced by the GCWood program to record, review and analyze the rise of mass timber construction in Canada.
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The Wood Institute Continuing Education Courses

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U.S. Mass Timber Floor Vibration Design Guide

2023

WoodWorks

This comprehensive technical guide bridges the information gap for the U.S. engineering design community by providing vibration design procedures specifically for mass timber floor systems. The guide synthesizes current design procedures and presents methods in a format accessible to U.S. engineers. It addresses a critical gap where previous guidance was either developed for alternative materials or followed European standards.
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Vaagen Cross Laminated Timber Design Guide

No date

Vaagen Timbers

The Vaagen Cross Laminated Timber Design Guide provides technical specifications and design values for Vaagen's CLT products manufactured in Colville, Washington. The guide covers CLT panels made from Douglas Fir Larch and Spruce-Pine-Fir (SPF), certified under APA PR-320 standards with multiple grade options. As a regional manufacturer serving the Pacific Northwest, Vaagen emphasizes local sourcing with panels available up to 4'0" x 60'0" and thicknesses from 4.125" to 9.625".
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Wood University Courses

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WoodWorks Carbon Calculator

Regularly updated

WoodWorks - Wood Products Council

The WoodWorks Carbon Calculator is a free online tool designed to estimate the carbon benefits of wood buildings by quantifying carbon storage, avoided emissions, and forest growth times. The calculator offers two approaches: a Carbon Estimator for typical building types and a detailed Calculator for specific wood product volumes. Users can input information about structural wood products including mass timber (CLT, NLT) to calculate stored carbon, avoided emissions, and forest growth equivalencies.
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A Developer’s Guide to Mass Timber

2024

The Neutral Project LLC

A comprehensive introduction to mass timber development written by Fed Novikov and Nate Helbach from Neutral, a sustainable development company. The guide addresses critical considerations for developers across project stages including cost analysis, scheduling, procurement, and construction. Features a detailed comparative study of four structural systems (Mass Timber-Steel Hybrid, All Mass Timber, All Steel, Post-Tensioned Concrete) for a 14-story mixed-use building in Madison, WI, examining environmental, economic, and scheduling performance through structural engineering, LCA analysis, and construction estimates.
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Alternative Solutions Guide (CWC)

2025

WoodWorks/CWC

A guidance document that helps proponents and regulators navigate the objective-based format of the National Building Code of Canada (NBC) which is "intended to allow more flexibility when evaluating non-traditional or alternative solutions." The guide addresses how to demonstrate compliance when buildings fall outside prescriptive boundaries and provides information on minimum performance levels that must be achieved for evaluation of new alternatives in wood construction.
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Aureus Earth's Carbon Financing

No date

Aureus Earth

A carbon finance company that monetizes the carbon reduction and storage potential of mass timber buildings by creating carbon offsets and providing equity funding to developers. The company has developed the Mass Timber Building Protocol (MTBP) to quantify biogenic carbon storage and converts this into tradeable carbon assets that provide cash flow to offset the green premium of mass timber construction.
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BEAM Estimator

2022

Builders for Climate Action

The BEAM Estimator is a free, web-based carbon footprint calculator specifically designed for low- and mid-rise residential and commercial buildings. Developed by Builders for Climate Action, BEAM enables users to input building dimensions and select from comprehensive material options to calculate embodied carbon impacts for structural, enclosure, and partition assemblies. The tool focuses on "cradle-to-gate" analysis and is designed for practitioners without LCA backgrounds, providing comparative information through an intuitive interface.
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Canadian CLT Handbook

2019

FPInnovations

The Canadian CLT Handbook is a comprehensive two-volume, 812-page resource that provides peer-reviewed technical information on all aspects of CLT construction, from manufacturing to structural design. The 2019 edition includes updated regulations, research, and provisions for compliance with the CSA Standard in Engineering Design in Wood, plus a new chapter featuring a design prototype of an eight-storey mass timber building. It serves as the essential how-to resource for Canadian building professionals interested in construction and design using cross-laminated timber.
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Commercial Projects That Pencil Out

2024

Think Wood (funded by the Softwood Lumber Board)

A collection of six commercial mass timber projects that demonstrates how mass timber can be a business differentiator in the commercial sector post-remote work era. The resource shows how developers like Hines and Howard Hughes Holdings are using mass timber to create welcoming, invigorating work environments and boost their commercial real estate business, with projects that drive cost savings, deliver added value, and boost marketability.
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DowelLam Design Guide - Dowel Laminated Timber (DLT)

2025

StructureCraft (DowelLam Division)

The DowelLam Design Guide is a comprehensive technical manual for Dowel Laminated Timber (DLT), an all-wood mass timber panel product that uses hardwood dowels to friction-fit boards together without metal fasteners or adhesives. Developed by StructureCraft's DowelLam division, this guide provides detailed engineering data, span tables, and design specifications for DLT panels used in floor, wall, and roof applications. The manual covers both standard DLT and Acoustic DLT (ADLT) products, representing over 3 million square feet of fabricated experience since 2017.
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Fast+Epp Design Apps

2024

Fast + Epp Structural Engineers

A suite of four free web-based design tools including the Bay Design Tool for calculating member sizes, embodied carbon, and volume outputs for structural grids; an Embodied Carbon Calculator for early design stage carbon calculations; a Member Calculator for determining structural component depths; and a Material Gallery showing how materials look when exposed. The tools are designed by internationally recognized structural engineering firm Fast + Epp to simplify design processes and integrate sustainability considerations.
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Freres Mass Ply Design & Construction Guide

2019

Freres Engineered Wood

The Freres Mass Ply Design & Construction Guide is a comprehensive technical resource for Mass Plywood Panels (MPP), a patented veneer-based engineered wood product developed as an alternative to Cross-Laminated Timber. The guide covers Mass Ply products including panels, beams, and columns, manufactured from density-graded Douglas Fir veneers and certified under ANSI/APA PRG-320 and ASTM D5456 standards. Mass Ply products offer advantages over traditional CLT including better dimensional stability, the ability to use smaller diameter trees, and superior structural performance per volume of material used.
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Green Construction through Wood (GCWood) Program

Regularly updated

Natural Resources Canada (NRCan) - Canadian Forest Service

GCWood is a Canadian government funding program that provides non-repayable contributions of up to $1.4 million to demonstration projects using innovative wood and hybrid construction design, research and technology transfer activities, and building code revisions. The program aims to showcase new construction technologies using mass timber and engineered wood products to advance market access and competitiveness for Canada's natural resource sectors.
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LCA and Timber Optimization

Carbon Leadership Forum

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Mass Timber Business Case Studies

2023

WoodWorks

This collection presents detailed economic analyses of completed mass timber projects across various building types in North America. Created in collaboration with Conrad Investment Management, these case studies analyze the business performance of mass timber buildings from an investment perspective. Each case study provides development overviews, quantitative metrics, and comparative return analyses to communicate the business case for mass timber to investors and developers.
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Mass Timber Design Manual – Volume 2

2022

WoodWorks and Think Wood

This comprehensive design manual provides architects, engineers, and construction professionals with detailed technical guidance on mass timber building systems. The extensively illustrated guide covers mass timber products, construction types, fire safety, structural considerations, and sustainability aspects through expert insights and project case studies. It serves as a valuable reference for both new and experienced professionals implementing mass timber solutions.
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Mass Timber LookBook

2024

Think Wood (funded by the Softwood Lumber Board)

A visual collection of innovative mass timber project examples that demonstrates how mass timber is used to solve design challenges, cut carbon, and take adaptive reuse to new levels. The LookBook features designs from leading firms including Korb+Associates, The Miller Hull Partnership, CO Adaptive Architecture, LMN Architects, Mildren Design Group, and Lake|Flato, showcasing projects ranging from a record-setting 25-story residential timber tower in Milwaukee to adaptive reuse of historic buildings.
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New York Timber Studio

Regularly updated

New York City Economic Development Corporation (NYCEDC) and Newlab in collaboration with Mayor's Office of Climate and Environmental Justice

The NYC Mass Timber Studio is a climate innovation program that provides $25,000-$29,000 grants and comprehensive technical assistance to design and development teams exploring mass timber construction in early project phases. The program operates for 8-9 months, during which teams receive regular technical support from WoodWorks, regulatory guidance from NYC Department of Buildings and Fire Department, and participate in public presentations and industry events. The inaugural cohort included 7 projects across all five boroughs, with 6 located in environmental justice communities, demonstrating successful navigation of NYC's regulatory framework and advancing mass timber adoption.
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Resources for Designing and Building with Wood: Continuing Education for Architects

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Sterling Structural Resources & Technical Support

2025

Sterling Structural

Sterling Structural provides a comprehensive collection of resources designed to support mass timber adoption through their TerraLam® CLT product line. As America's largest CLT manufacturer with 700,000 cubic meter annual production capacity, Sterling offers a standardized, modular approach to mass timber construction. Their resources include white papers, AIA continuing education courses, hands-on training materials, and technical support services focused on cost-competitiveness and scalability.
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Top 10 Projects of 2024

2024

Think Wood (funded by the Softwood Lumber Board)

A curated collection of 10 innovative wood construction projects from 2024 that showcase how wood structural solutions can solve design challenges across commercial building typologies. The projects demonstrate benefits ranging from faster construction to smaller carbon footprints and improved occupant wellness, featuring diverse applications from an NBA training facility with biophilic design elements to hospitality projects using prefab construction on challenging sites.
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Understanding Real CO2e Emissions in Mass Timber Production

2025

Corgan

This comprehensive white paper examines often-overlooked carbon emissions associated with mass timber harvesting and production. The research focuses particularly on CO2e emissions from tree residue known as "slash" that remains after logging and its impact on carbon footprint calculations. Through case study analysis, the paper demonstrates how slash-related emissions can increase CO2e values by 30-34% compared to current industry accounting standards.
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WBLCA Worksheet

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Wood Works - Free Project Support

Regularly updated

WoodWorks

WoodWorks Free Project Support is a comprehensive technical assistance service for professionals working on commercial and multi-family wood buildings in the United States. This program connects project teams with regional wood design experts who provide one-on-one support through all phases of design and construction. The service offers guidance on code compliance, structural detailing, fire resistance, and other technical challenges.
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WoodWorks Index of Mass Timber Connections

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A Guideline for Insuring Timber in Canada

2022

WoodWorks / Canadian Wood Council

A practical guide developed with input from insurance stakeholders to support timber construction projects by outlining steps to ensure favorable insurance applications and maximize risk mitigation potential. Provides insider insight to increase project success and addresses the challenge of insurance rates becoming a significant cost in overall project budgets for taller wood buildings.
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American Wood Council Design and Construction Manuals

Regularly updated

American Wood Council (AWC)

The American Wood Council's Technical Publications Collection comprises an extensive library of authoritative resources for the design, construction, and regulation of wood buildings. Key publications include the National Design Specification (NDS) for Wood Construction, Fire Design Specification for Wood Construction, and Understanding the Mass Timber Proposals guide for building officials. These documents serve as the foundation for wood design provisions in U.S. building codes and are essential references for professionals working with mass timber.
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B.C.'s Wood First Program

Regularly updated

Province of British Columbia (through Forestry Innovation Investment)

B.C.'s Wood First Program is a comprehensive government initiative launched in 2009 that promotes the use of British Columbia wood products through policy, funding, and market development activities. The program encompasses the Wood First Act (requiring wood consideration in provincially-funded buildings), the Mass Timber Action Plan, and the Mass Timber Demonstration Program ($9.1 million investment). The program has established B.C. as a global leader in mass timber construction with over 285 mass timber buildings and more buildings per capita than anywhere else in North America.
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Biophilic Design LookBook

2022

Think Wood (in partnership with WoodWorks - Wood Products Council)

A comprehensive visual guide that explores the role of wood in biophilic design, featuring over 50 pages of project examples, design inspirations and research on how natural elements like exposed wood can boost occupant well-being through connection to nature. The resource addresses how biophilic design elements have been attributed to positive outcomes in humans—from reducing stress to boosting productivity.
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Canadian Mass Timber Roadmap

2024

The Transition Accelerator, Forest Products Association of Canada (FPAC), Canadian Wood Council (CWC), and Energy Futures Lab (EFL)

This comprehensive national strategy presents a roadmap for developing Canada's mass timber industry from forest to buildings. Created through collaboration between multiple Canadian organizations, the document outlines an ambitious vision to increase the Canadian mass timber market to $1.2 billion by 2030 and $2.4 billion by 2035. The roadmap identifies key actions across five integrated workstreams including forestry, manufacturing, design, construction, and policy.
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Commercial Timber Guidebook

2024

Built By Nature / Timber Development UK

The Commercial Timber Guidebook provides industry consensus guidance for designing and constructing robust, durable, safe, and insurable mass timber buildings in the UK. Developed through collaboration between property developers, insurers, and technical experts, it addresses common concerns including durability, moisture management, fire safety, and insurability. The guidebook serves as a companion to the Mass Timber Insurance Playbook, providing detailed technical information to mitigate risks and improve insurability.
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Element5 Design Guide

2022

Element5 Limited Partnership

The Element5 CLT Design Guide is a comprehensive technical resource providing detailed product specifications and span tables for Cross-Laminated Timber (CLT) panels manufactured by Element5. The guide includes complete product characteristics, available layup configurations (3-ply to 9-ply panels), strength and stiffness properties, and extensive span tables for floor and roof applications. The document covers panels manufactured in compliance with ANSI/APA PRG 320-2019 Standard and assists architects and engineers with preliminary design and specification.
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Fire Design of Mass Timber Members: Code Applications, Construction Types and Fire Ratings

2021

WoodWorks

A comprehensive technical paper that supports architects and engineers exploring mass timber for commercial and multi-family construction by focusing on how to meet fire-resistance requirements in the International Building Code. It covers calculation and testing-based methods for demonstrating fire-resistance ratings of exposed mass timber elements.
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Generate Platform

Regularly updated

Generate

Generate is an innovative digital platform that automates mass timber design and quoting to streamline project development. Created by MIT, the platform functions as a Configure, Price, Quote (CPQ) system specifically built for mass timber construction. It enables architects, engineers, and developers to create full-fidelity mass timber design concepts within minutes while working in a code, cost, and carbon-aware digital environment.
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How to Successfully Cost Manage a Mass Timber Project

2024

WoodWorks

This comprehensive guide provides general contractors with detailed frameworks for cost estimating and management specific to mass timber projects. It bridges the knowledge gap for contractors lacking traditional benchmarking data, offering practical steps for planning, budgeting, and managing CLT and glulam construction costs.
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Mapping Mass Timber Projects in Design & Constructed

Regularly updated

WoodWorks - Wood Products Council

WoodWorks maintains a comprehensive mapping database that tracks mass timber projects across North America from design through completion. As of March 2025, the database includes 2,427 multi-family, commercial, and institutional mass timber projects in progress or completed in the United States. The mapping tool is integrated with the WoodWorks Innovation Network (WIN), providing an interactive platform where users can explore project details and connect with project teams.
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Mass Timber Construction Success Checklist

No date

WoodWorks BC in partnership with Seagate Mass Timber

A comprehensive checklist designed to ensure mass timber construction projects achieve their full potential by addressing the higher level of coordination required compared to traditional structural systems. Covers all phases from design through post-installation, emphasizing early planning, clear communication, and shared understanding across project teams.
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Mass Timber Installation Training Curriculum

Regularly updated

WoodWorks

Open-source training modules intended for use by contractors, subcontractor erectors, training centers, community colleges, and workforce development programs to ensure that qualified workers are available to install mass timber projects across the country.The curriculum complements WoodWorks' efforts to ensure qualified workers are available and covers fundamentals of mass timber installation with content for workers with all levels of experience.
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Mass Timber Project Questionnaire for Builder’s Risk Insurance

2022

WoodWorks

An editable questionnaire designed to help construction, development and design teams collect mass timber project-specific information to share with insurance teams. The form aims to preemptively address common insurer questions and concerns about mass timber projects.
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Nordic Structures Technical Documents Library

Regularly updated

Nordic Structures

Nordic Structures' Technical Documents Library is a comprehensive collection of technical resources from a company with over 50 years of experience as wood processing innovators. The library includes technical guides for Nordic products, construction details, specification guides, finishings guides, durability classifications, maximum floor span guides, and installation guides. This collection provides professionals with comprehensive insights needed to design and build using mass timber products from Nordic Structures.
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Smartlam North America Design Guide

2025

Smartlam North America

The Smartlam North America Design Guide is a comprehensive technical manual for Cross-Laminated Timber (CLT) and Glulam design and specification. Created by one of the first certified CLT manufacturers in the United States, the guide provides detailed engineering data, preliminary sizing tables, and structural design values for mass timber construction. The manual covers multiple CLT grades manufactured at Smartlam's facilities in Montana and Alabama, including species-specific design properties for Douglas Fir, Southern Pine, and Spruce-Pine-Fir.
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Tally

Regularly updated

KieranTimberlake (now managed by Building Transparency)

Tally LCA (now called tallyLCA) is a Life Cycle Assessment application that integrates directly into Autodesk Revit, enabling architects and engineers to calculate environmental impacts of building material selections in real-time during the design process. Originally developed by KieranTimberlake and now managed by Building Transparency, Tally allows users to conduct whole-building LCA assessments by automatically extracting material quantities from BIM models. The tool evaluates multiple environmental impact categories and enables comparative analysis of different design options to support certification requirements and carbon reduction strategies.
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U.S. Mass Timber Construction Manual

2022

WoodWorks

This comprehensive manual supports contractors and installers through all phases of mass timber construction, from preconstruction to project turnover. It covers essential topics including materials, building codes, moisture control, installation techniques, and finishing approaches. The manual serves as the foundational resource for WoodWorks' Mass Timber Construction Management Program.
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Understanding the Role of Embodied Carbon in Climate Smart Buildings Report

2023

Think Wood

A comprehensive report that presents a snapshot of the current embodied carbon landscape—both policies and design best practices—in the U.S., Canada and Europe to facilitate better understanding of embodied carbon's role in climate smart buildings. The report serves as a starting point and reference guide for AEC stakeholders and community leaders to make informed decisions about reducing their communities' carbon footprint amid rapid built environment growth.
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Washington Mass Timber Accelerator

2025

Washington Mass Timber Accelerator (fiscal sponsorship of Clallam County EDC)

The Washington Mass Timber Accelerator serves as the central hub of mass timber resources, funding, and strategy in Washington State. The organization provides a comprehensive resource library, supplier maps, funding databases, policy advocacy, and educational events to accelerate mass timber adoption. Their website includes curated resources from reputable sources, a directory of Washington manufacturers and fabricators, and regular networking opportunities.
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Wood Works Innovation Network Directory

2020

WoodWorks

An online community that connects developers with design and construction professionals who have experience with mass timber, featuring a searchable directory of professionals and an interactive map of mass timber buildings.Members include architects, engineers and construction professionals who showcase their experience and projects to engage with potential project team members.
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WoodWorks Manufacturers & Supplier Contact List

Regularly updated

WoodWorks - Wood Products Council

WoodWorks maintains a comprehensive directory of manufacturers and suppliers involved in mass timber and wood construction. This resource provides contact information and service descriptions for companies across the mass timber supply chain, including CLT and glulam manufacturers, specialized contractors and installers, and fastener suppliers. Each listing includes company descriptions, product offerings, and links to completed projects through the WoodWorks Innovation Network.
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